Which of the following is a biconditional statement? Question 4 options:

A)

A shape has four sides if and only if it's a quadrilateral.

B)

If a shape has four sides, then it's a quadrilateral.

C)

If a shape is a quadrilateral, then it has four sides.

D)

If a shape doesn't have four sides, then it isn't a quadrilateral.

Find the value of the cosine for angle a

Choosing a booth location: your manager is sending two people to work at the conference. she wants a booth that will give your company good visibility for no more than 35% of the total budget ($3000). the conference coordinator just told you there are only five booths left. which booth will you choose? write the inequality that shows how much money you can spend on the booth simplify the inequality that shows how much money you can spend on the booth.

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%